How to handle null values in vb

Contents Exit focus mode. Is this page helpful? Please rate your experience Yes No. Any additional feedback? Submit and view feedback for This product This page. View all page feedback. You could eliminate the Null entirely by Sign up or log in Sign up using Google.

Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Stack Gives Back Safety in numbers: crowdsourcing data on nefarious IP addresses. Nothing is not just like null in C. Instead, it has a special behavior when used with value types—it acts like the default. Note Thanks to Matthieu Penant for pointing out that Nothing has a separate meaning on value types.

Is, IsNot. References can be compared with the "Is" and "IsNot" operators. In VB. Value types cannot be equal to null. But with the Nullable structure, we can wrap an Integer and set it to null with Nothing. This can help programs be clearer. A summary. Nothing has two meanings. With references, it means a reference that points to no object. And with values, it means the default zero-initialized value. Length When run the above code it will throw NullReferenceException.

How to check null String in vb. NullReferenceException Next : How to vb. Download Source Code. Print Source Code. Object, ByVal e As System. EventArgs Handles Button1. How to vb.